On Wed, Mar 14, 2018 at 10:09 PM, kbuild test robot <fengguang.wu@xxxxxxxxx> wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master > head: 6f0b419290171f99f5d4d52d47920d24010b7744 > commit: 588020dcb92abfbea8163664220955b19beb3393 [12/63] treewide: simplify Kconfig dependencies for removed archs > config: ia64-allmodconfig (attached as .config) > compiler: ia64-linux-gcc (GCC) 7.2.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 588020dcb92abfbea8163664220955b19beb3393 > # save the attached .config to linux build tree > make.cross ARCH=ia64 > > All warnings (new ones prefixed by >>): > > warning: (FAULT_INJECTION_STACKTRACE_FILTER && LATENCYTOP && LOCKDEP) selects FRAME_POINTER which has unmet direct dependencies (DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS) Just checked this: the warning was preexisting, but my patch changed the exact text. In mainline, the output is warning: (FAULT_INJECTION_STACKTRACE_FILTER && LATENCYTOP && LOCKDEP) selects FRAME_POINTER which has unmet direct dependencies (DEBUG_KERNEL && (CRIS || M68K || FRV || UML || SUPERH || BLACKFIN) || ARCH_WANT_FRAME_POINTERS) Arnd
